作者：Kleiner, Andreas; Moldovanu, Benny
作者单位：Arizona State University; Arizona State University-Tempe; University of Bonn
摘要：We analyze sequential, binary voting schemes in settings where several privately informed agents have-single-peaked preferences over a finite set of alternatives, and we focus on robust equilibria that do not depend on assumptions about the players' beliefs about each other. Our main results identify two intuitive conditions on binary voting trees, ensuring that sincere voting at each stage forms an ex post perfect equilibrium. In particular, we uncover a strong rationale for content-based age...
作者：Rothstein, Jesse
作者单位：University of California System; University of California Berkeley; University of California System; University of California Berkeley
摘要：Chetty, Friedman, and Rockoff (2014a, b) study value-added (VA) measures of teacher effectiveness. CFR (2014a) exploits teacher switching as a quasi-experiment, concluding that student sorting creates negligible bias in VA scores. CFR (2014b) finds VA scores are useful proxies for teachers' effects on students' long-run outcomes. I successfully reproduce each in North Carolina data. But I find that the quasi-experiment is invalid, as teacher switching is correlated with changes in student prep...
